tzulitai edited a comment on issue #8570: [FLINK-12688] [state] Make serializer lazy initialization thread safe in StateDescriptor URL: https://github.com/apache/flink/pull/8570#issuecomment-497577479 @flinkbot approve consensus I'm approving the consensus to fix the problem like this, before we attempt to tackle the larger-scale problem of serializers required to be lazily instantiated due to lack of `ExecutionConfig` when the descriptor is created. Just as a food for thought, there was a similar attempt in the past to make the `StateDescriptor` safe to be used across different threads w.r.t. accessing the state serializer: https://issues.apache.org/jira/browse/FLINK-6775. Apparently, that only partially solved the issue.
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